Trolley bag



FIG. 1 is a front view of a trolley bag;

FIG. 2 is a rear view of the trolley bag;

FIG. 3 is a right side view of the trolley bag;

FIG. 4 is a left side view of the trolley bag;

FIG. 5 is a top view of the trolley bag; and,

FIG. 6 is a bottom view of the trolley bag. 

CLAIM An ornamental design for a trolley bag, as shown and described. 